Home / 211,366.17-291,685.29-115,873.54

Finding the Fourth Proportional to 211,366.17, 291,685.29 and 115,873.54

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Solution

The fourth proportional to 211,366.17, 291,685.29 and 115,873.54 is: 159,905.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,366.17 : 291,685.29 = 115,873.54 : x
  2. Step 2: Convert to fraction form
    211,366.17/291,685.29 = 115,873.54/x
  3. Step 3: Cross multiply
    211,366.17x = 291,685.29 × 115,873.54
  4. Step 4: Simplify right side
    211,366.17x = 33,798,607,118.23
  5. Step 5: Solve for x
    x = 33,798,607,118.23/211,366.17
  6. Step 6: Final answer
    x = 159,905.47

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.